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參數資料
| 型號： | ISL6401IB |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PTSE 18C 18#20 SKT PLUG |
| 中文描述： | 1 A SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | PLASTIC, MS-012AB, SOIC-14 |
| 文件頁數： | 3/11頁 |
| 文件大?。?/td> | 330K |
| 代理商： | ISL6401IB |
3
FN9007.7
April 13, 2005
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V
CC,
PV
CC
. . . . . . . . . . . . . . . .GND -0.3V to +7.0V
PGND to GND
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±
0.3V
Peak GATE Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1A
ESD Classification . . . . . . . . . . . . . . . . . . . . . Class 1 (HBM, 2500V)
NFB Pin Voltage. . . . . . . . . . . . . . . . . . . . . . ±10V (Transient, 10ms)
Operating Conditions
Temperature Range
ISL6401C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 85°C
Supply Voltage Range (Typical). . . . . . . . . . . . . . . . . . . . . 5V
±
10%
Thermal Resistance (Typical)
14 Lead SOIC (Note 6) . . . . . . . . . . . .
16 Lead QFN (Note 7) . . . . . . . . . . . . .
Maximum Junction Temperature (Plastic Package) .-55°C to 150°C
Maximum Storage Temperature Range. . . . . . . . . . .-65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300°C
(SOIC - Lead Tips Only)
For Recommended soldering conditions see Tech Brief TB389.
θ
JA
(°C/W)
90
46
θ
JC
(°C/W)
NA
9
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
6.
θ
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
7.
θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features.
θ
JC,
the
“case temp” is measured at the center of the exposed metal pad on the package underside. See Tech Brief TB379.
8. All voltages are with respect to GND.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic. V
CC
= +5.0V
±10%, T
A
= -40 to 85°C (Note 9), Typical values are at T
A
= 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
V
CC
SUPPLY
Supply Voltage Range
4.5
5.0
5.5
V
Shutdown Supply Current
SHDN = GND
-
55
100
μ
A
Start-Up Current
V
CC
< 3.7V
-
0.1
0.20
mA
Operating Supply Current
(Note 10)
-
3.7
6.0
mA
REFERENCE VOLTAGE
Output Voltage
1.237
1.25
1.262
V
Long Term Stability
T
A
= 125°C, 1000 hours
-
5
-
mV
NEGATIVE FEEDBACK
Source Current
-
1.0
2.0
mA
CURRENT SENSE
Maximum Input Signal
0.2
0.260
0.3
V
Input Bias Current
-2.0
0.0
2.0
μ
A
Overcurrent Threshold
0.4
0.52
0.6
V
ERROR AMPLIFIER
Open Loop Voltage Gain
-
78
-
dB
Gain-Bandwidth Product
10
-
-
MHz
Input Voltage
1.225
1.25
1.275
V
Input Bias Current
-
1.0
-
μ
A
PWM
Maximum Duty Cycle
47
48
50
%
Minimum Duty Cycle
COMP = 0V
-
0
-
%
UNDERVOLTAGE LOCKOUT
Start Threshold
3.7
4.1
4.3
V
Stop Threshold
3.2
3.6
4.0
V
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